let ulLi = document.querySelectorAll('.box ul li');
let olLi = document.querySelectorAll('.box ol li');
ulLi.forEach((item, index) => {
  ulLi[index].onclick = () => {
    ulLi.forEach((item, index) => {
      ulLi[index].className = '';
      olLi[index].className = '';
    });
    ulLi[index].className = 'active';
    olLi[index].className = 'active';
  };
});
